61.   As Cardenas campaigned last week, supporters pushed to get close enough to touch him while music pounded from tinny loudspeakers and men set off large rockets in celebration.

62.   April is the beginning of winter in Brazil, when weather reports predicting cold air masses in South America can set off panics in the futures markets.

63.   As Arnold, the tenor Chris Merritt sets off a pyrotechnical display of high Cs, and the agile soprano Cheryl Studer offers a touching Mathilde.

64.   As Israeli soldiers retreated early Wednesday, they set off massive explosions to destroy the castle.

65.   As a result, the survey set off skeptical grumbling among the manufacturers and retailers at the conference.

66.   As the refugee camps grew in Ingushetia, the Russians temporarily sealed the border, leaving thousands of people stranded in Chechnya and setting off an international outcry.

67.   As the vessel shot along the track and crashed through the sphere, the pole tripped switches setting off pyrotechnics that make the ship appear to be burning.

68.   As they were leaving, a spark from their car set off a massive explosion, ringing them in fire.

69.   As they search for better prospects, they may set off waves of migration around the globe.

70.   As you move through the room, your motions set off sounds, random memories escaping its past.